AutoGlassHammond.wikiA sourced reference on Low Price Auto Glass in Hammond and on car glass in Northwest Indiana

Auto glass glossary

From AutoGlassHammond.wiki, a sourced reference on Low Price Auto Glass, Hammond, Indiana, and on windshields in Lake County weather

Compiled by the Auto Glass Hammond Wiki editorial team · First published · Updated

In brief: Definitions of 25 auto glass, safety and insurance terms used in this reference[3][4][2].

Note on sources: AutoGlassHammond.wiki is an independent reference. Facts about the shop come from its website and public listings and are attributed; law, safety and weather facts come from statutes, federal standards and NOAA. Prices, hours and services change; confirm with the shop at (219) 224-6960. See the editorial policy.

Index

A | B | C | D | F | L | M | O | Q | R | S | T | U

A

ADAS
Advanced driver assistance systems, such as automatic emergency braking and lane departure warning, often using a windshield camera[1].
AGRSS
Automotive Glass Replacement Safety Standard, North America’s standard for installing auto glass; member companies register with the Auto Glass Safety Council[2].
AS1
The ANSI/SAE Z26.1 marking for the clearest glazing, used in windshields[3].
Acoustic interlayer
A sound-damping plastic layer inside some laminated windshields that reduces wind and road noise.

B

Bullseye
A circular chip; repairable up to 1 inch across under ROLAGS[4].
Back glass
The rear window, usually tempered and often with defroster lines printed on it.

C

Calibration
Re-aiming a driver-assistance camera or sensor after glass replacement[1].
Comprehensive coverage
Optional auto insurance for non-collision damage, including broken glass, in Indiana[5].

D

Deductible
The part of a claim the policyholder pays before the insurer pays[5].
DOT code
The “DOT” symbol and a code assigned by the National Highway Traffic Safety Administration that a glazing maker adds to certify glass under FMVSS 205[3].
DPVA
Driver’s primary viewing area, where ROLAGS sets stricter repair limits[4].

F

FMVSS 205
Federal Motor Vehicle Safety Standard No. 205, the federal glazing standard[3].
Freeze-thaw day
Here, a day with a high above 32°F and a low below 32°F[6].
Frit band
The black ceramic border printed around a windshield’s edge, which shields the adhesive from sunlight and hides the bond line.

L

Laminated glass
Glass layers bonded to a plastic interlayer; used for windshields[3].

M

MDAT
Minimum drive-away time: how long a car should stay parked after glass installation[2].

O

OEM glass
Original equipment glass made by or for the vehicle maker.

Q

Quarter glass
A small fixed side window behind or ahead of the door glass.

R

Regulator
The mechanism that raises and lowers a power window[7].
ROLAGS
Repair of Laminated Auto Glass Standard, the industry repair standard[4].
Run channel
The rubber or felt-lined track that guides a door window as it moves.

S

Safety glazing
Glass made or treated to reduce injury from impacts or breakage, as defined in Indiana law[8].
Star break
A chip with short radiating cracks; repairable up to 3 inches across under ROLAGS[4].

T

Tempered glass
Heat-treated glass that shatters into small pieces; used in most side and back windows.

U

Urethane
The adhesive that bonds a windshield to the vehicle body[2].

Questions and answers

What does AS1 mean on a windshield?

It is the ANSI/SAE Z26.1 marking for the clearest glazing grade, used for windshields.

What is MDAT?

Minimum drive-away time after glass installation.

Related articles

Notes

  1. ^ a b Understanding the Importance of Calibration: What are the Facts?. Auto Glass Safety Council. Checked 9 November 2026.
  2. ^ a b c d Minimum Drive-Away Times. Auto Glass Safety Council (SafeWindshields.org). Checked 9 November 2026.
  3. ^ a b c d e 49 CFR 571.205, Standard No. 205: Glazing materials. Electronic Code of Federal Regulations. Checked 9 November 2026.
  4. ^ a b c d e The Right Repairs at the Right Time (ROLAGS repair limits). National Windshield Repair Division. Checked 9 November 2026.
  5. ^ a b Consumer Guide to Auto Insurance. Indiana Department of Insurance. Checked 9 November 2026.
  6. ^ Global Historical Climatology Network daily (GHCNd), station USW00014819, Chicago Midway Airport. NOAA National Centers for Environmental Information. Checked 9 November 2026.
  7. ^ Power Window Repair. Low Price Auto Glass (autoglasshammond.com). Checked 9 November 2026.
  8. ^ Indiana Code § 9-19-19-1, safety glazing materials defined. Justia (Indiana Code). Checked 9 November 2026.